in the British Museum. 115 
yellow, broken beyond the basal third. Wings with a 
greyish-yellow tinge, the subcostal cell more yellowish ; 
wing-tip and a cloud at r-m and the deflection of /,,; in- 
fuscated ; stigma and veins dark brown; several macro- 
trichiee in the end of cell R; and a very few in cell J4;. 
Venation : fs scarcely longer than the deflection of Ry,; ; 
cell M, sessile. 
Abdomen orange, the first tergite with an irregular 
blackish spot on either side of the median line ; tergites two 
and three with brownish-black bands at the caudal margin ; 
a conspicuous subterminal black ring that includes tergites 
six and seven, sternite seven, most of eight, and the apex of 
sixe; hypopygium orange. “Male hypopygium having the 
ninth tergite with a broad V-shaped notch, the lateral “lobes 
depressed below the level of the tergite proper, separated 
by a small cirenlar notch, the outer face with a few black 
spicules. Eighth sternite pale apically and for a greater 
distauce medially, the posterior median portion produced 
into a small tubercle that bears a pencil of hairs; sides of 
ti.e sternite but slightly hairy. 
Hab. Nyasaland. 
Holotype, 8, Mt. Mlanje, November 19, 1912 (S. a. 
Neave). 
Presented by the Entomological Research Committee, 
1913. 394. 
Type in the collection of the British Museum (Natural 
[listory). 
Nephrotoma tricincta is apparently closest to N. tiyrina, 
Alexander, but is readily told by the shape and coloration 
of the occipital mark, the presence of macrotrichize in ceil 
;, the different abdominal pattern, and other characters. 
Nephrotoma livingstonet, sp. n. 
Occipital mark not distinct ; frontal tubercle low, entire ; 
centre of the median prescutal stripe at the anterior end 
pale; halteres with the knobs dull yellow ; fore femora 
largely dark brown, posterior femora brownish yellow, 
rather narrowly tipped with dark brown ; wings pale brown, 
the tip and a narrow seam along the deflection of 4,5 in- 
fuscated ; a few macrotrichiz in cell R;; cell MM; petiolate ; 
abdomen orange, the basal tergites with a posterior median 
black mark; a subterminal black band ; eighth sternite 
clothed with long yellow hairs. 
Male.—Length about 11°3 mm.; wing 12°5 mm. 
Frontal prolongation of the head yellow, more ferruginous 
Ke 
